From b7c15c31519dc44c1f691e0466badd556ffe9423 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 18:18:56 +0200
Subject: Adding upstream version 3.7.10.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/global/mail_command_client.c | 108 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 src/global/mail_command_client.c

(limited to 'src/global/mail_command_client.c')

diff --git a/src/global/mail_command_client.c b/src/global/mail_command_client.c
new file mode 100644
index 0000000..3de1169
--- /dev/null
+++ b/src/global/mail_command_client.c
@@ -0,0 +1,108 @@
+/*++
+/* NAME
+/*	mail_command_client 3
+/* SUMMARY
+/*	single-command client
+/* SYNOPSIS
+/*	#include <mail_proto.h>
+/*
+/*	int	mail_command_client(class, name, proto, type, attr, ...)
+/*	const char *class;
+/*	const char *name;
+/*	const char *proto;
+/*	int	type;
+/*	const char *attr;
+/* DESCRIPTION
+/*	This module implements a client interface for single-command
+/*	clients: a client that sends a single command and expects
+/*	a single completion status code.
+/*
+/*	Arguments:
+/* .IP class
+/*	Service type: MAIL_CLASS_PUBLIC or MAIL_CLASS_PRIVATE
+/* .IP name
+/*	Service name (master.cf).
+/* .IP proto
+/*	The expected protocol name in the server announcement.
+/* .IP "type, attr, ..."
+/*	Attribute information as defined in attr_print(3).
+/* DIAGNOSTICS
+/*	The result is -1 if the request could not be sent, otherwise
+/*	the result is the status reported by the server.
+/*	Warnings: problems connecting to the requested service.
+/*	Fatal: out of memory.
+/* SEE ALSO
+/*	attr_print(3), send attributes over byte stream
+/*	mail_command_server(3), server interface
+/*	mail_proto(3h), client-server protocol
+/* LICENSE
+/* .ad
+/* .fi
+/*	The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/*	Wietse Venema
+/*	IBM T.J. Watson Research
+/*	P.O. Box 704
+/*	Yorktown Heights, NY 10598, USA
+/*
+/*	Wietse Venema
+/*	Google, Inc.
+/*	111 8th Avenue
+/*	New York, NY 10011, USA
+/*--*/
+
+/* System library. */
+
+#include <sys_defs.h>
+#include <stdlib.h>			/* 44BSD stdarg.h uses abort() */
+#include <stdarg.h>
+
+/* Utility library. */
+
+#include <vstream.h>
+#include <msg.h>
+
+/* Global library. */
+
+#include <mail_proto.h>
+
+/* mail_command_client - single-command transaction with completion status */
+
+int     mail_command_client(const char *class, const char *name,
+			            const char *proto,...)
+{
+    va_list ap;
+    VSTREAM *stream;
+    int     status;
+
+    /*
+     * Talk a little protocol with the specified service.
+     * 
+     * This function is used for non-critical services where it is OK to back
+     * off after the first error. Log what communication stage failed, to
+     * facilitate trouble analysis.
+     */
+    if ((stream = mail_connect(class, name, BLOCKING)) == 0) {
+	msg_warn("connect to %s/%s: %m", class, name);
+	return (-1);
+    }
+    if (attr_scan(stream, ATTR_FLAG_STRICT,
+		  RECV_ATTR_STREQ(MAIL_ATTR_PROTO, proto),
+		  ATTR_TYPE_END) != 0) {
+	msg_warn("read %s: %m", VSTREAM_PATH(stream));
+	status = -1;
+    } else if (va_start(ap, proto),
+	       (status = attr_vprint(stream, ATTR_FLAG_NONE, ap)),
+	       va_end(ap),
+	       (status != 0)) {
+	msg_warn("write %s: %m", VSTREAM_PATH(stream));
+	status = -1;
+    } else if (attr_scan(stream, ATTR_FLAG_STRICT,
+			 RECV_ATTR_INT(MAIL_ATTR_STATUS, &status),
+			 ATTR_TYPE_END) != 1) {
+	msg_warn("write/read %s: %m", VSTREAM_PATH(stream));
+	status = -1;
+    }
+    (void) vstream_fclose(stream);
+    return (status);
+}
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